#377ABA#377ABA

#377ABA is a mid, vivid cyan. Relative luminance 0.183; OKLCH L 56.7% C 0.120 H 249.9°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#377ABA
RGB	rgb(55, 122, 186)
HSL	hsl(209, 54%, 47%)
HSV	hsv(209, 70%, 73%)
CMYK	cmyk(70.4%, 34.4%, 0%, 27.1%)
CIE-LAB	lab(49.83, 0.14, -39.83)
CIE-LCH	lch(49.83, 39.83, 270.20°)
OKLab	oklab(56.66% -0.0414 -0.113)
OKLCH	oklch(56.66% 0.12 249.9)
XYZ	xyz(17.3947, 18.2746, 49.0555)
Luminance	0.1828 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377ABA #BA7737

analogous

#37BAB9 #377ABA #3738BA

triadic

#377ABA #BA377A #7ABA37

tetradic

#377ABA #B937BA #BA7737 #38BA37

square

#377ABA #B937BA #BA7737 #38BA37

split-complementary

#377ABA #BA3738 #BAB937

monochromatic

#1B3C5C #295B8B #377ABA #5F98D0 #8EB7DE

Accessibility & contrast

On white

4.51

#377ABA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#377ABA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377ABA

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377ABA	#FFFFFF	#000000	##000000
##377ABA	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D7DBD

Deuteranopia (green-blind)

#4B71B9

Tritanopia (blue-blind)

#008991

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #377aba;
/* rgb */ color: rgb(55, 122, 186);
/* oklch */ color: oklch(56.7% 0.120 249.9);

Tailwind

colors: {
  custom: {
    50: '#7da0cf',
    500: '#377aba',
    950: '#000000',
  },
}

SCSS

$custom: #377aba;
$custom-light: #7da0cf;
$custom-dark: #000000;

JSON

{
  "hex": "#377aba",
  "rgb": {
    "r": 55,
    "g": 122,
    "b": 186
  },
  "hsl": {
    "h": 209.313,
    "s": 54.357,
    "l": 47.255
  },
  "oklch": {
    "l": 0.56662,
    "c": 0.12037,
    "h": 249.9
  },
  "luminance": 0.18276
}

Semantic roles & 50–950 ramp

primary

#377ABA

secondary

#C8A685

accent

#924ADE

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #377ABA

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →